The edges are excellent from f/2.8 to f/11 and very good at f/16 and f/22. At 35mm, central sharpness is excellent from f/2.8 to f/16 and very good at f/22. The edges are excellent from f/2.8 to f ...
Canon's newest, non-extending 70-200mm F2.8 L zoom for RF-mount includes features aimed at both photo and video shooters. It also works with Canon's RF-mount 1.4x and 2x teleconverters.
In summary, the Canon EF 400mm f/2.8L IS III USM lens is a superb performer. You can view additional images in the Equipment Database, where you can add your own review, photos and product ratings.